Michael Woodrow Jackson, known professionally as Oh No, is an American rapper and record producer who has released several albums on Stones Throw Records. He is half of the hip hop duo Gangrene along with The Alchemist. He is also half of the hip-hop duo The Professionals with his brother Madlib.

Alan Daniel Maman, professionally known as the Alchemist, is an American hip hop producer, DJ, and rapper. He began his music career in 1991 in the hip hop duo the Whooliganz under the moniker Mudfoot, along with now-actor Scott Caan. He has produced music since the 1990s.